Prestressed steel strand stay cable anchorage device

Abstract

The utility model provides a prestressed steel strand stay cable anchorage device, which relates to the technical field of prestressed anchorage devices and comprises a main body mechanism and a protection mechanism, the protection mechanism comprises a sealing cover, a group of connecting plates are fixedly mounted on the outer surface wall of the sealing cover, first bolts are inserted into the group of connecting plates in a penetrating manner, the first bolts are in threaded connection with the connecting plates, a reinforcing ring is fixedly arranged on the outer surface wall of the sealing cover in a sleeving manner, and second bolts are inserted into the reinforcing ring in a penetrating manner. The outer surface wall of the anchorage device body is sleeved with the sealing cover, the connecting plate is fixedly installed on the outer surface wall of the sealing cover, the first bolt is inserted into the connecting plate in a penetrating mode, the first bolt is inserted into the threaded groove formed in the anchor backing plate, and the sealing cover is fixed through threaded connection of the first bolt, the connecting plate and the anchor backing plate. And the sealing cover is used for protecting the anchorage device body, so that the stability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pre -stressed anchorage device technical field especially relates to a pre -stressed steel strand stay cable anchorage device. BACKGROUND

[0002] The anchorage device is a permanent anchoring device used in pre-stressed concrete, and is an anchoring tool used in post-tensioned structures or components to maintain the tension of pre-stressed tendons and transmit the tension to the inside of the concrete, also known as a pre-stressed anchorage device. The steel strand stay cable anchorage device is an important component for fixing the steel strand stay cable on the structure of a bridge.

[0003] In the prior art, some pre-stressed steel strand stay cable anchorage devices have insufficient waterproof sealing performance in actual use: moisture easily enters the inside of the anchorage device, causing the steel strand body to rust and reducing the structural safety; and the sealing performance of the connected parts is poor when the anchorage device is connected with the stay cable steel strand, which easily affects the overall anchoring effect. UTILITY MODEL CONTENTS

[0004] The utility model discloses a pre-stressed steel strand stay cable anchorage device to solve the problems of insufficient waterproof sealing performance in actual use of some pre-stressed steel strand stay cable anchorage devices in the prior art: moisture easily enters the inside of the anchorage device, causing the steel strand body to rust and reducing the structural safety; and the sealing performance of the connected parts is poor when the anchorage device is connected with the stay cable steel strand, which easily affects the overall anchoring effect.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: including: main body mechanism and protection mechanism, the protection mechanism includes the sealing cover, the outer surface wall of sealing cover is fixedly installed a group of connecting plates, a group The inside of connecting plate is all penetrated and inserts first bolt, first bolt is connected with connecting plate threadedly, the outer surface wall of sealing cover is fixedly sleeved and is set with reinforcing ring, the inside of reinforcing ring is penetrated and inserts second bolt, second bolt is connected with reinforcing ring threadedly, the outer surface wall of sealing cover is set with sealing gum, the bottom of sealing cover is set up and is set up mounting groove, the inside of mounting groove is set with sealing ring.

[0006] Preferably, the main body mechanism includes an anchor pad, the anchor pad is fixedly provided with an anchor body at the top, and the anchor body is in fixed communication with the anchor pad.

[0007] Preferably, the bottom of the anchor pad is fixedly installed with a connecting sleeve plate, and the connecting sleeve plate is in fixed communication with the anchor pad.

[0008] Preferably, the bottom of the anchor pad is fixedly connected with a spiral rib, and the spiral rib is sleeved on the outer surface wall of the connecting sleeve plate.

[0009] Preferably, the bottom of the connecting sleeve plate is fixedly connected with the corrugated pipe, and the interior of the anchor pad is provided with a threaded groove.

[0010] Preferably, the interior of the anchor body, the anchor pad, the connecting sleeve plate and the corrugated pipe is inserted with a steel strand body, the outer wall of the steel strand body is sleeved with a clamping piece, and the clamping piece is inserted into the interior of the anchor body.

[0011] Preferably, the sealing cover is sleeved on the outer wall of the anchor body, the first bolt is inserted into the interior of the threaded groove and is threadedly connected with the anchor pad, the top of the sealing cover is provided with a through hole, and the steel strand body is inserted into the interior of the through hole.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、 in the utility model, the sealing cover is sleeved on the outer wall of the anchor body, the connecting plate is fixedly installed on the outer wall of the sealing cover, the first bolt is inserted into the interior of the threaded groove formed in the interior of the anchor pad, the sealing cover is fixedly connected with the connecting plate and the anchor pad through the first bolt, the anchor body is protected through the sealing cover, and therefore the stability of connection with the steel strand cable-stayed cable is improved.

[0014] 2、 in the utility model, the sealing rubber is arranged on the outer wall of the connecting part between the sealing cover and the anchor pad, the installation groove is formed in the bottom of the sealing cover, and the sealing ring is arranged in the interior of the installation groove, so that the sealing performance of the connecting part is improved, the waterproof sealing performance of the whole is improved, the reinforcing ring is sleeved on the outer wall of the sealing cover, the second bolt is threadedly connected with the reinforcing ring, the sealing cover is tightly attached to the anchor body, the protection structure is more compact, and therefore the stability of the structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 a perspective view of a prestressed steel strand cable-stayed cable anchor is provided in the utility model;

[0016] Figure 2 a perspective view of a main body mechanism in the prestressed steel strand cable-stayed cable anchor is provided in the utility model;

[0017] Figure 3 a perspective view of a protection mechanism in the prestressed steel strand cable-stayed cable anchor is provided in the utility model;

[0018] Figure 4 a split view of the protection mechanism in the prestressed steel strand cable-stayed cable anchor is provided in the utility model.

[0019] Legend: 1. Main structure; 101. Anchor plate; 102. Anchor body; 103. Connecting sleeve; 104. Spiral reinforcement; 105. Corrugated pipe; 106. Threaded groove; 107. Steel strand body; 108. Clamping plate; 2. Protective mechanism; 201. Sealing cover; 202. Connecting plate; 203. First bolt; 204. Reinforcing ring; 205. Second bolt; 206. Sealing adhesive; 207. Mounting groove; 208. Sealing ring; 209. Through hole. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figures 1-4 As shown, this utility model provides a prestressed steel strand cable anchor, including: a main body 1 and a protective mechanism 2; the protective mechanism 2 includes a sealing cover 201, a set of connecting plates 202 are fixedly installed on the outer wall of the sealing cover 201, a first bolt 203 is inserted through the interior of each set of connecting plates 202, the first bolt 203 is threadedly connected to the connecting plate 202, a reinforcing ring 204 is fixedly sleeved on the outer wall of the sealing cover 201, a second bolt 205 is inserted through the interior of the reinforcing ring 204, the second bolt 205 is threadedly connected to the reinforcing ring 204, a sealant 206 is provided on the outer wall of the sealing cover 201, an installation groove 207 is opened at the bottom of the sealing cover 201, and a sealing ring 208 is provided inside the installation groove 207.

[0023] The effect achieved by the whole embodiment 1 is that the sealing cover 201 is sleeved on the outer wall of the anchor body 102, the through hole 209 is formed on the top of the sealing cover 201, the steel strand body 107 is inserted into the inside of the through hole 209, the connecting plate 202 is fixedly installed on the outer wall of the sealing cover 201, the first bolt 203 is inserted into the inside of the connecting plate 202, the first bolt 203 is inserted into the threaded groove 106, the first bolt 203 is threadedly connected with the connecting plate 202 and the anchor pad 101 to facilitate the fixed connection of the sealing cover 201, the sealing cover 201 is used to protect the anchor body 102 as a whole, so as to improve the waterproof sealing performance; then, the sealant 206 is arranged on the outer wall of the connecting part of the sealing cover 201 and the anchor pad 101, the installation groove 207 is formed on the bottom of the sealing cover 201, and the sealing ring 208 is arranged in the inside of the installation groove 207, so as to improve the sealing performance of the connecting part, and the multi-layer protection is used to ensure that the anchor body 102 can achieve good sealing and waterproof performance, so as to improve the safety of the structure, the reinforcing ring 204 is sleeved on the outer wall of the sealing cover 201, the second bolt 205 is inserted into the inside of the reinforcing ring 204, the second bolt 205 is threadedly connected with the reinforcing ring 204, the reinforcing ring 204 is used to reinforce the sealing cover 201, so that the sealing cover 201 is tightly attached to the anchor body 102, and the protection structure is more compact, so as to improve the stability of the structure.

[0024] Embodiment 2: as shown in Figures 1-4 The main body mechanism 1 includes the anchor pad 101, the anchor body 102 is fixedly arranged on the top of the anchor pad 101, and the anchor body 102 is fixedly communicated with the anchor pad 101; the connecting sleeve plate 103 is fixedly installed on the bottom of the anchor pad 101, and the connecting sleeve plate 103 is fixedly communicated with the anchor pad 101; the spiral rib 104 is fixedly connected to the bottom of the anchor pad 101, and the spiral rib 104 is sleeved on the outer wall of the connecting sleeve plate 103; the corrugated pipe 105 is fixedly communicated with the bottom of the connecting sleeve plate 103, and the threaded groove 106 is formed on the inside of the anchor pad 101; the steel strand body 107 is inserted into the inside of the anchor body 102, the connecting plate 202, the connecting sleeve plate 103 and the corrugated pipe 105, the clamping piece 108 is sleeved on the outer wall of the steel strand body 107, and the clamping piece 108 is inserted into the inside of the anchor body 102; the sealing cover 201 is sleeved on the outer wall of the anchor body 102, the first bolt 203 is inserted into the inside of the threaded groove 106, the first bolt 203 is threadedly connected with the anchor pad 101, the through hole 209 is formed on the top of the sealing cover 201, and the steel strand body 107 is inserted into the inside of the through hole 209.

[0025] The effect achieved by the whole embodiment 2 is that the anchorage body 102 is fixedly installed on the top of the anchor pad 101, the connecting sleeve plate 103 is fixedly installed on the bottom of the anchor pad 101, the anchorage body 102, the anchor pad 101 and the connecting sleeve plate 103 are fixedly communicated, the corrugated pipe 105 is fixedly communicated on the bottom of the connecting sleeve plate 103, the spiral rib 104 is sleeved on the outer wall of the connecting sleeve plate 103, one end of the spiral rib 104 is fixedly connected with the bottom of the anchor pad 101, the steel strand body 107 of one end of the stay cable is sequentially threaded through the corrugated pipe 105, the connecting sleeve plate 103, the anchor pad 101 and the anchorage body 102, the clamp 108 is sleeved on the outer wall of the steel strand body 107, the clamp 108 is inserted into the inside of the anchorage body 102, and the anchoring is realized through the friction force between the clamp 108 and the steel strand.

[0026] Working principle: the device in use, first, by the top of the anchor pad plate 101 fixed installation anchor body 102, the bottom of the anchor pad plate 101 fixed installation connecting sleeve plate 103, set anchor body 102, anchor pad plate 101, connecting sleeve plate 103 fixed communication, in the bottom of the connecting sleeve plate 103 fixed communication bellows 105, in the outer wall of connecting sleeve plate 103 set spiral rib 104, one end of the spiral rib 104 and the bottom of the anchor pad plate 101 fixed connection, the steel strand body 107 of the stay cable one end in turn through the bellows 105, connecting sleeve plate 103, anchor pad plate 101 and anchor body 102, the outer wall of the steel strand body 107 set clamping piece 108, clamping piece 108 inserted in the inside of anchor body 102, by the friction between the clamping piece 108 and the steel strand to realize anchoring; second, the inside of the anchor pad plate 101 is penetrated to set up the thread groove 106, the outer wall of the anchor body 102 is sleeved with the sealing cover 201, the top of the sealing cover 201 is penetrated to set up the through hole 209, the steel strand body 107 is inserted into the inside of the through hole 209, the outer wall of the sealing cover 201 is fixedly installed with the connecting plate 202, the first bolt 203 is inserted into the inside of the connecting plate 202, the first bolt 203 is inserted into the inside of the thread groove 106, the first bolt 203 is set to be threadedly connected with the connecting plate 202 and the anchor pad plate 101, so as to fixedly connect the sealing cover 201, the sealing cover 201 is used to protect the anchor body 102 as a whole, so as to improve the waterproof sealing performance; then, the outer wall of the connecting part of the sealing cover 201 and the anchor pad plate 101 is provided with the sealing glue 206, the bottom of the sealing cover 201 is provided with the mounting groove 207, and the sealing ring 208 is arranged in the inside of the mounting groove 207, so as to improve the sealing performance of the connecting part, so as to improve the safety of the structure; finally, the outer wall of the sealing cover 201 is sleeved with the reinforcing ring 204, the second bolt 205 is inserted into the inside of the reinforcing ring 204, the second bolt 205 is set to be threadedly connected with the reinforcing ring 204, the reinforcing ring 204 is used to reinforce the sealing cover 201, so that the sealing cover 201 is tightly attached to the anchor body 102, so that the protection structure is more compact, thereby improving the stability when connecting with the steel strand stay cable.

[0027] The above is only the preferred embodiment of the present application, not the other forms of the present application, any skilled in the art may use the above disclosed technical content to change or modify the equivalent embodiment applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiment still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A prestressed steel strand cable anchor, characterized in that, include: Main structure (1) and protective structure (2); The protective mechanism (2) includes a sealing cover (201). A set of connecting plates (202) are fixedly installed on the outer wall of the sealing cover (201). A first bolt (203) is inserted through the inside of each of the connecting plates (202). The first bolt (203) is threadedly connected to the connecting plate (202). A reinforcing ring (204) is fixedly fitted on the outer wall of the sealing cover (201). A second bolt (205) is inserted through the inside of the reinforcing ring (204). The second bolt (205) is threadedly connected to the reinforcing ring (204). A sealant (206) is provided on the outer wall of the sealing cover (201). An installation groove (207) is opened at the bottom of the sealing cover (201). A sealing ring (208) is provided inside the installation groove (207).

2. The prestressed steel strand cable anchorage according to claim 1, characterized in that: The main structure (1) includes an anchor plate (101), and an anchor body (102) is fixedly installed on the top of the anchor plate (101). The anchor body (102) is fixedly connected to the anchor plate (101).

3. The prestressed steel strand cable anchorage according to claim 2, characterized in that: A connecting sleeve (103) is fixedly installed at the bottom of the anchor plate (101), and the connecting sleeve (103) is fixedly connected to the anchor plate (101).

4. The prestressed steel strand cable anchorage according to claim 3, characterized in that: The bottom of the anchor plate (101) is fixedly connected to a spiral rib (104), and the spiral rib (104) is sleeved on the outer wall of the connecting sleeve plate (103).

5. A prestressed steel strand cable anchorage according to claim 3, characterized in that: The bottom of the connecting sleeve (103) is fixedly connected to the corrugated pipe (105), and the inside of the anchor plate (101) is provided with a threaded groove (106).

6. A prestressed steel strand cable anchorage according to claim 5, characterized in that: The steel strand body (107) is inserted through the inside of the anchor body (102), anchor plate (101), connecting sleeve plate (103) and corrugated pipe (105). The outer wall of the steel strand body (107) is fitted with a clamp (108), which is inserted into the inside of the anchor body (102).

7. A prestressed steel strand cable anchorage according to claim 6, characterized in that: The sealing cover (201) is fitted onto the outer wall of the anchor body (102), the first bolt (203) is inserted into the inside of the threaded groove (106), the first bolt (203) is threadedly connected to the anchor plate (101), the top of the sealing cover (201) has a through hole (209), and the steel strand body (107) is inserted into the inside of the through hole (209).

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